/*-
 * Public platform independent Near Field Communication (NFC) library examples
 * 
 * Copyright (C) 2010, Romuald Conty
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  1) Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer. 
 *  2 )Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Note that this license only applies on the examples, NFC library itself is under LGPL
 *
 */

/* Small application to diagnose PN53x using dedicated commands  */

#include <stdlib.h>
#include <string.h>

#include <host/nfc.h>

#include "nfc-utils.h"
#include "../libnfc/chips/pn53x.h"

#define MAX_DEVICE_COUNT	16

int main(int argc, const char *argv[])
{
	size_t szFound;
	size_t i;
	nfc_device_t *pnd;
	nfc_device_desc_t *pnddDevices;
	const char *acLibnfcVersion;
	bool result;
	byte_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
	size_t szRx = sizeof(abtRx);
	const byte_t pncmd_diagnose_communication_line_test[] = {
		Diagnose, 0x00, 0x06, 'l', 'i', 'b', 'n', 'f', 'c'
	};
	const byte_t pncmd_diagnose_rom_test[] = { Diagnose, 0x01 };
	const byte_t pncmd_diagnose_ram_test[] = { Diagnose, 0x02 };
	
	if (argc > 1) {
		ERR ("usage: %s", argv[0]);
	}
	/* Display libnfc version */
	acLibnfcVersion = nfc_version();
	printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
	
	if (!(pnddDevices = malloc(MAX_DEVICE_COUNT * sizeof (*pnddDevices)))) {
		fprintf(stderr, "malloc() failed\n");
		return EXIT_FAILURE;
	}
	
	nfc_list_devices(pnddDevices, MAX_DEVICE_COUNT, &szFound);
	
	if (szFound == 0) {
		printf("No NFC device found.\n");
	}
	
	for (i = 0; i < szFound; i++) {
		pnd = nfc_connect(&(pnddDevices[i]));
		
		if (pnd == NULL) {
			ERR("%s", "Unable to connect to NFC device.");
			return EXIT_FAILURE;
		}
		
		printf("NFC device [%s] connected.\n", pnd->acName);
		
		result = pn53x_transceive(pnd,
					  pncmd_diagnose_communication_line_test,
					  sizeof (pncmd_diagnose_communication_line_test),
					  abtRx, &szRx, NULL);
		if (result) {
			/* Result of Diagnose ping for RC-S360 doesn't
			 * contain status byte so we've to handle both
			 * cases
			 */
			result = (memcmp(pncmd_diagnose_communication_line_test + 1,
					 abtRx,
					 sizeof (pncmd_diagnose_communication_line_test) - 1) == 0) ||
				 (memcmp(pncmd_diagnose_communication_line_test + 2,
					 abtRx,
					 sizeof (pncmd_diagnose_communication_line_test) - 2) == 0);
		} else {
			nfc_perror(pnd, "pn53x_transceive");
		}
		printf(" Communication line test: %s\n", result ? "OK" : "Failed");
		
		result = pn53x_transceive(pnd,
					  pncmd_diagnose_rom_test,
					  sizeof (pncmd_diagnose_rom_test),
					  abtRx, &szRx, NULL);
		if (result) {
			result = ((szRx == 1) && (abtRx[0] == 0x00));
		} else {
			nfc_perror(pnd, "pn53x_transceive");
		}
		printf(" ROM test: %s\n", result ? "OK" : "Failed");
		
		result = pn53x_transceive(pnd,
					  pncmd_diagnose_ram_test,
					  sizeof (pncmd_diagnose_ram_test),
					  abtRx, &szRx, NULL);
		if (result) {
			result = ((szRx == 1) && (abtRx[0] == 0x00));
		} else {
			nfc_perror(pnd, "pn53x_transceive");
		}
		printf(" RAM test: %s\n", result ? "OK" : "Failed");
	}
	return 0;
}
